package string;

public class Demo03 {
  public static void main(String args[]){
	  String s1 = "sun";
	  String s2 = "shuai";
	  String s3 = s1+s2;
	 /* 
	  System.out.println(s3);
	  System.out.println("sun"+" shuai");
	  
	
	  int i = 20;
	  System.out.println("i="+i);//i=20
	  System.out.println("i=\t"+i);//i= 20
	*/  
	  
	  
	  
  }
}
